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发明名称
Испытатель пластов
摘要
申请公布号
SU110560(A1)
申请公布日期
1957.11.30
申请号
SU19560562523
申请日期
1956.12.14
申请人
GRUSHEVSKIJ I.P.
发明人
GRUSHEVSKIJ I.P.
分类号
E21B49/00;E21B21/00;E21B33/126
主分类号
E21B49/00
代理机构
代理人
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